Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Affects Red HatSource GCVE Database
Not known to be exploited.
Data as of 5 Nov 2026, 21:32 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 11 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
AI-suggested
Red Hat advises updating the affected Redis packages as soon as possible. No practical mitigation other than applying the fix has been identified. Users should monitor Red Hat advisories for updated packages and apply them promptly to remediate this issue.
Description
A use-after-free vulnerability was found in Redis affecting the unblock client flow, where an authenticated attacker can cause memory corruption potentially leading to arbitrary code execution. Exploitation requires a highly specific sequence of events and timing conditions, limiting the exposure. Red Hat has rated this vulnerability as important severity and recommends updating the affected packages as soon as possible.
References
- access.redhat.com/errata/RHSA-2026:7662 (opens in a new tab)
- images.redhat.com (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-23479 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7662.json (opens in a new tab)